2 * Hibernate, Relational Persistence for Idiomatic Java
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5 * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
6 * as indicated by the @authors tag. All rights reserved.
7 * See the copyright.txt in the distribution for a
8 * full listing of individual contributors.
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13 * This program is distributed in the hope that it will be useful, but WITHOUT A
14 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
15 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License,
17 * v.2.1 along with this distribution; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
21 package org.hibernate.osgitest;
23 import javax.persistence.EntityManager;
24 import javax.persistence.EntityManagerFactory;
25 import javax.persistence.spi.PersistenceProvider;
27 import org.osgi.framework.Bundle;
28 import org.osgi.framework.BundleContext;
29 import org.osgi.framework.FrameworkUtil;
30 import org.osgi.framework.ServiceReference;
36 public class HibernateUtil {
38 private EntityManagerFactory emf;
40 public EntityManager getEntityManager() {
41 return getEntityManagerFactory().createEntityManager();
44 private EntityManagerFactory getEntityManagerFactory() {
46 Bundle thisBundle = FrameworkUtil.getBundle( HibernateUtil.class );
47 // Could get this by wiring up OsgiTestBundleActivator as well.
48 BundleContext context = thisBundle.getBundleContext();
50 ServiceReference serviceReference = context.getServiceReference( PersistenceProvider.class.getName() );
51 PersistenceProvider persistenceProvider = (PersistenceProvider) context.getService( serviceReference );
53 emf = persistenceProvider.createEntityManagerFactory( "unmanaged-jpa", null );